22780072

素因数分解:

$2^3\times 7^1\times {\mathrm{157}}^1\times {\mathrm{2591}}^1$

素因数の和:2761

約数の個数: 32

約数和(自身を含む): 49144320

約数和(自身を除く): 26364248

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 157, 314, 628, 1099, 1256, 2198, 2591, 4396, 5182, 8792, 10364, 18137, 20728, 36274, 72548, 145096, 406787, 813574, 1627148, 2847509, 3254296, 5695018, 11390036, 22780072]

約数ペア:

[(1, 22780072), (2, 11390036), (4, 5695018), (7, 3254296), (8, 2847509), (14, 1627148), (28, 813574), (56, 406787), (157, 145096), (314, 72548), (628, 36274), (1099, 20728), (1256, 18137), (2198, 10364), (2591, 8792), (4396, 5182)]